Description Lightweight precision housing (aluminum) eLINE Linear Bushing Integrated wiper seals Reduced radial clearance Initial lubrication with Dynalub 510 Technical data General technical data Ø d mm 12 16 20 25 30 40 amax m/s² 150 vmax m/s 5 m kg 0.08 0.11 0.15 0.27 0.4 0.75 FR 1) N 0.8 1 1.5 2 2.5 3 Breakaway force N 1.5 2 3 4.5 6 8 Shaft radial clearance h6 µm + 8 - 24 + 9 - 25 + 12 - 24 + 18 - 25 Operating conditions Permissible ambient temperature (min ... max) -10 °C ... +80 °C 1) Frictional drags generated by Linear Bushings with integrated wiper seals on two sides when not under radial load. The frictional drags depend on speed and lubrication. Load capacities and load moments Ød mm 12 16 20 25 30 40 C 1) N 810 1050 1410 2930 3850 6380 C0 1) N 490 570 900 1950 2790 4650 1) The load ratings apply for the main direction of loading. If the load direction is not the main direction of loading, the load ratings must be multiplied by the following factors: Ø d 12 and 16: f = 0,90, f0 = 0.86, Ø d 20 to 50: f = 0.79, f0 = 0.68 The load ratings are based on a total travel of 100, 00 m. When based on 50 000 m, the values in the table need to be multiplied by 1.26. Legend Symbol Description Unit Ød Shaft diameters mm amax Maximum acceleration travel m/s2 C Dynamic load capacity N C0 Static load capacity N FR Friction force N m Mass kg vmax Maximum permissible speed m/s Effect of load direction on load rating The listed load ratings should be chosen depending on installation in minimum or maximum position and should be based on the calculations. If the load direction is clearly defined and the Linear Bushings can be installed in maximum position, the load ratings Cmax. (dynamic load rating) and C0 max (static load rating) can be used. If aligned installation is not possible or the load direction is not defined, the minimum load ratings must be used. Reduced load capacity with short stroke In case of short stroke, the service life of the shafts is less than that of Linear Bushings. The load ratings C specified in the tables must therefore be multiplied by the factor f.s . 1) fs = factor 2) s = stroke Definition of dynamic load ratings Dimensions Dimensions Ød mm 12 16 20 25 30 40 D mm 19 24 28 35 40 52 A mm 40 45 53 62 67 87 E 29 mm ±0.15 34 mm ±0.15 40 mm ±0.15 48 mm ±0.15 53 mm ±0.15 69 mm ±0.15 H mm 17 19 23 27 30 39 Tolerance for H 1) µm + 24 0 + 25 0 + 26 0 H1 mm 33 38 45 54 60 76 H4 mm 11 13 15 17 19 24 L mm 28 30 40 50 60 N1 mm 16 18 22 26 29 38 N2 mm 11 13 18 22 S 2) mm 4.3 5.3 6.6 8.4 S1 M5 M6 M8 M10 SW mm 2.5 3 4 5 1) In relation to Ø d. 2) Fixing screws ISO 4762-8.8 Legend Symbol Description Unit Ød Shaft diameters mm C/C0 Main direction of loading Project planning information Life expectancy calculation Mounting General mounting instructions Commissioning Initial lubrication Linear bushings come with initial lubrication. Grease the Linear Bushings before use. Service life data is based on initial lubrication and relubricated Linear Bush
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